RT null T1 Nickel, Nickel Carbonyl, and some Nickel Compounds Health and Safety Guide 62 A1 United Nations Environment Programme, A1 World Health Organization, A1 International Labour Organisation, K1 nickel K1 health hazard K1 chemical safety K1 chemical K1 waste disposal K1 pollutant K1 Pollution SN 92 4 151062 5 YR 1991 FD 1991 LK https://wedocs.unep.org/handle/20.500.11822/29609 UL https://wedocs.unep.org/handle/20.500.11822/29609 NO Nickel is a naturally occurring, shiny, light-coloured metal with high electrical and thermal conductivities. It is resistant to corrosion by air, water, and alkalis, but reacts with dilute oxidizing agents. DS UN Environment Document Repository RD Sep 20, 2026